Authors: Placide Mbala Kingebeni, Christian-Julian Villabona-Arenas, Nicole VidalJacques Likofata, Justus Nsio-Mbeta , Sheila Makiala-Mandanda, Daniel Mukadi, Charles Kumakamba , Bathe Djokolo, Ahidjo Ayouba, Eric Delaporte , Patrick Mukadi, Martine Peeters, Jean-Jacques Muyembe Tamfum, Steve Ahuka Mundeke.